Important task that should be secured to win on age of unlimited keen competition is providing quality and service that satisfies customer by supply when and what customer wants. 'Constant Quality Renovation, Zero Defect' is professional consciousness that all members of Hyundai Autonet pursue. Hyundai Autonet produce world class level high quality products by quality guaranteed system that prevent problems, find defects and improve. Hyundai Autonet secured world class level quality by acquiring ISO 9001 on 1993, QS 9000 on 1998, KOLAS authorization on 2002, ISO/TS 16949(2002 Edition) auth- orization. Hyundai Autonet practice quality management on various a divisions like product project, purchase, produce, sales and A/S by activating 6 sigma movement and single PPM quality renovation. Hyundai Autonet improved performance, stability, reliance by processing quality project that reflecting flow of market, client's preference and voice of A/S field in product project. Also, maintain quality level of Single PPM by strict quality control and organized field guidance of mother corporate. Quality Renovation, Zero Defect Quality Ideology and value of Hyundai Autonet that reduce highest customer satisfaction